System and method for preventing local area network (LAN) from being scanned
A local area network and statistical module technology, applied in the field of network security, can solve the problems of extracting high-risk scanning users, unable to protect the intranet, etc.
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[0073] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0074] This embodiment provides a system to prevent the local area network from being scanned, such as figure 1 As shown, it includes collection module 11, filter module 13, statistics module 14, summary module 15, detection module 16 and blocking module 17, filter module 13 includes 2 filter nodes 31, statistics module 14 includes 3 levels of statistics nodes, wherein, the first There are 6 statistical nodes 41 at the first level, 4 statistical nodes 42 at the second level, and 2 statistical nodes 43 at the third level.
[0075] Such as figure 2 As shown, each first-level statistical node 41 includes a statistical unit 20, a second judging unit 25, an assignment unit 26, a sending unit 27, and a third judging unit 28, wherein the statistical unit 20 includes a preset unit 21, a first A judging unit 22 , a counting unit 23 ...
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